106445511 has 12 divisors (see below), whose sum is σ = 157330888. Its totient is φ = 69313104.

The previous prime is 106445509. The next prime is 106445519. The reversal of 106445511 is 115544601.

106445511 is a `hidden beast` number, since 1 + 0 + 644 + 5 + 5 + 11 = 666.

It is not a de Polignac number, because 106445511 - 2¹ = 106445509 is a prime.

It is a super-2 number, since 2×106445511² = 22661293624102242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106445519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137140 + ... + 137913.

Almost surely, 2^106445511 is an apocalyptic number.

106445511 is a deficient number, since it is larger than the sum of its proper divisors (50885377).

106445511 is a wasteful number, since it uses less digits than its factorization.

106445511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275102 (or 275099 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 106445511 is about 10317.2433818341. The cubic root of 106445511 is about 473.9244525220.

The spelling of 106445511 in words is "one hundred six million, four hundred forty-five thousand, five hundred eleven".